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Analysis of wave propagation in plasmonic holey metasurfaces with cylindrical holes
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-9665-8557
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0001-9241-8030
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
2018 (English)In: IET Conference Publications, Institution of Engineering and Technology , 2018, no CP741Conference paper, Published paper (Refereed)
Abstract [en]

The wave propagation along a plasmonic holey metasurface when a metallic plate is located in its proximity has been analyzed using a mode matching technique. With this analysis, we demonstrate that decreasing the distance between the metallic plate and the holey surface excites nonresonant higher order modes in the structure. Therefore, considering only the dominant mode inside the holes, as the previous simpler models assumed, is not sufficient to analyze this type of metasurfaces.

Place, publisher, year, edition, pages
Institution of Engineering and Technology , 2018. no CP741
Keywords [en]
Antenna, Dispersive analysis, Holey structure, Metasurfaces, Mode matching, Antennas, Plasmonics, Plasmons, Wave propagation, Cylindrical holes, Higher-order modes, Metallic plate, Mode matching technique, Plates (structural components)
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-247465Scopus ID: 2-s2.0-85057318742OAI: oai:DiVA.org:kth-247465DiVA, id: diva2:1302657
Conference
12th European Conference on Antennas and Propagation, EuCAP 2018, 9 April 2018 through 13 April 2018
Note

QC 20190405

Available from: 2019-04-05 Created: 2019-04-05 Last updated: 2019-05-20Bibliographically approved

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Ghasemifard, FatemehNorgren, MartinQuevedo-Teruel, Oscar

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